Assignee
OKI MASAO
JP·4 granted patents·9 citations·filing 2008–2012
Top patents by PatentIndex Score
4 records- 0171US8432256B2Information providing service system for railroad usersOKI MASAO·Filed 2008·Granted Apr 30, 2013·6 cites·3 claims
- 0264US9584233B2In-train information display apparatus, in-train information display system, and advertisement display result determining methodOKI MASAO·Filed 2012·Granted Feb 28, 2017·1 cites·14 claims
- 0354US9511784B2In-car information display system and power supply methodOKI MASAO·Filed 2012·Granted Dec 6, 2016·2 cites·18 claims
- 0448US10097290B2In-train information display apparatus, in-train information display system, and advertisement display result determining methodOKI MASAO·Filed 2011·Granted Oct 9, 2018·0 cites·17 claims
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